BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 12, Problem 7SA
Summary Introduction
Introduction:
Meiosis produces gametes in sexually reproducing organisms. During meiosis, a germ cell splits into four haploid cells.
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The cell in the diagram to the right is in anaphase I, not anaphase II. I know this because_________ .
Chromosomes made up of sister chromatids align to the equator of the cell at______?_______ of mitosis 55
Centromere between sister chromatids breaks at ________?__________of mitosis
Chapter 12 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 12 - One evolutionary advantage of sexual over asexual...Ch. 12 - Alternative forms of the same gene are called...Ch. 12 - Meiosis is a necessary part of sexual reproduction...Ch. 12 - Meiosis ________. a. occurs only in germ cells of...Ch. 12 - Sexual reproduction in animals requires ________ ....Ch. 12 - Dogs have a diploid chromosome number of 78. How...Ch. 12 - Prob. 7SACh. 12 - Prob. 8SACh. 12 - Crossing over mixes up _______ . a. chromosomes c....Ch. 12 - Crossing over happens during which phase of...
Ch. 12 - _________ contributes to variation in traits among...Ch. 12 - Which of the following is one of the very...Ch. 12 - Match each term with its description....Ch. 12 - In your own words, explain why sexual reproduction...Ch. 12 - Make a simple sketch of meiosis in a diploid germ...Ch. 12 - The diploid chromosome number for the body cells...
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- S. Chromosomes are duplicated during what stage of the cell cycle? G1 phase S phase prophase prometaphasearrow_forward______________ begins when the ______________ reach the cell's ______________ . Question 8 options: Anaphase; sister chromatids; centrioles Prophase; centrioles; chromosomes None of the other answers are correct. Cytokinesis; chromosomes; centrioles Metaphase; chromosomes; poles Telophase; centromeres; chromatidsarrow_forwardMitosis includes all of the following processes except for ______________. Telophase Prophase Anaphase Interphasearrow_forward
- A kinetochore is a___________ structure that forms on a chromatid during cell division and allows it to attach to a spindle fiber on a chromosome.arrow_forwardWhat stage of mitosis is pictured in this diagram? Prophase Metaphase Anaphase Telophasearrow_forwardA cell in metaphase of mitosis has 20 chromosomes. Therefore, this cell has chromatids.arrow_forward
- The wording in the book is confusing me. The first answer is 20 and the second is also 20? The book does say interphase is the longestarrow_forward_____________ stem cells are capable of differentiating into nearly all cell types, while _________________ stem cells can only differentiate into a limited number of cell types.arrow_forwardFollowing mitosis, ______________ daughter cells form during ______________ that are genetically ______________. Question 1 options: three; anaphase; unique two; telophase; identical four; metaphase; unique two; cytokinesis; identical four; interphase; unique None of the other answers are correct. three; prophase; identicalarrow_forward
- G1 phase, S phase, and G2 phase are all subphases of _________________ . Telophase Prophase Anaphase Interphasearrow_forwardThe figure below depicts cells from the same organism. Cell A is demonstrating which of the following: K J A Anaphase I Anaphase II O Anaphase of mitosis O Non-disjunction LLL B دے Carrow_forwardThe words "mitosis" and "cytokinesis" mean the same thing. Both are synonyms for "cell division." True Falsearrow_forward
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